CN105842744B - A kind of automatic protective system of marine gravitometer - Google Patents
A kind of automatic protective system of marine gravitometer Download PDFInfo
- Publication number
- CN105842744B CN105842744B CN201610342111.XA CN201610342111A CN105842744B CN 105842744 B CN105842744 B CN 105842744B CN 201610342111 A CN201610342111 A CN 201610342111A CN 105842744 B CN105842744 B CN 105842744B
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- CN
- China
- Prior art keywords
- early warning
- mechanical arm
- air damping
- infrared
- gravity sensor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V7/00—Measuring gravitational fields or waves; Gravimetric prospecting or detecting
- G01V7/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V7/00—Measuring gravitational fields or waves; Gravimetric prospecting or detecting
- G01V7/16—Measuring gravitational fields or waves; Gravimetric prospecting or detecting specially adapted for use on moving platforms, e.g. ship, aircraft
Abstract
The invention discloses a kind of automatic protective system of marine gravitometer, the system includes warning module and active protection module；The warning module includes active infra-red early warning transmitter one, infrared early warning receiver one and active infra-red early warning transmitter two, infrared early warning receiver two；The active protection module includes being individually fixed in air damping mechanical arm one and air damping mechanical arm two on marine gravitometer framework and in relative position.The present invention forms comprehensive protection using warning module and active protection module to the core component gravity sensor of gravimeter.The system can effectively tackle the emergency case during gravity measurement, accomplish to give warning in advance and protect in time, the defects of reaction not in time when compensate for artificial on duty, extend instrument service life, greatly reduce economic loss.
Description
Technical field
The present invention relates to a kind of sea gravity measurement auxiliary equipment, and in particular to a kind of automatic protection system of marine gravitometer
System.
Background technology
The gravimeter that marine gravitometer is mounted on naval vessel or used in submarine.Ship uniform rectilinear in ocean navigates
Under the conditions of row, gravity measurement is continuously carried out, because instrument is placed on the hull of motion, is added by normal acceleration and level
The influence of speed and basement tilt is very big.Marine gravitometer belongs to large-scale precision instrument, in order to ensure gravity sensor all the time
Keep vertical state and adapt to the marine working environment waved, its sensor can be with self balancing universal adjustment installed in one
In well-bucket.Marine gravitometer perceives the change of extraneous movement environment by the optical fibre gyro of vertical and horizontal, and by the fortune of change
Dynamic signal is transmitted to respective accelerometer, and motor message is changed into electric signal and is transmitted to two stepper motors by accelerometer makes phase
It should compensate, gravity sensor is kept vertical state.Marine gravitometer can be in 25 degree of ship rolling and the scope of 22 degree of pitching
Interior normal work, if prominent meet severe sea condition in measurement process, ship rolling more than 25 degree with model of the pitching more than 22 degree
When enclosing, the offset of universal adjustment well-bucket can be caused to exceed rated limits, in turn result in gravity sensor and sent out with gravimeter framework
Raw collision, causes instrument core component to damage.In addition, once colliding, torque-motor is instrument is recovered vertical shape as early as possible
State, caused high pulling torque electric signal easily cause instrument excessively to correct, so as to produce secondary damage to instrument.
Marine gravitometer belongs to large-scale precision sea investigation instrument, is collided all during the severe jolt of transport and use
The deviation of measurement result and the damage of sensor can be caused.Gravity sensor once damages, it is necessary to returns to the progress of producer of importer
Maintenance, need again to re-scale the core component zero-initial-length spring of gravity sensor during maintenance, its process and expense may
The gravimeter newer than one.It can be seen that extremely important to the omnibearing protection of marine gravitometer.
The content of the invention
In view of the above-mentioned problems, it is an object of the invention to provide a kind of marine gravitometer automatic protective system, to ensure
Gravimeter is from infringement under the emergency case such as severe sea condition and itself software fault.
The present invention is specially the feelings for enabling to marine gravitometer to meet with severe sea condition and software fault in measurement process
The timely self-protection of energy under condition, and give warning in advance and shut down in time and avoid causing the automatic protective system of instrument damage.
To reach above-mentioned purpose, the concrete technical scheme that the present invention is taken is：
A kind of automatic protective system of marine gravitometer, the system include warning module and active protection module；It is described pre-
Active infra-red early warning transmitter one, the infrared early warning that alert module includes being respectively arranged on four inner faces of marine gravitometer framework connect
Receive device one and active infra-red early warning transmitter two, infrared early warning receiver two, and the active infra-red early warning transmitter one
Parallel relative position is in infrared early warning receiver one, the infrared ray that active infra-red early warning transmitter one is launched is by infrared pre-
Alert receiver one receives, and the active infra-red early warning transmitter two is in parallel relative position with infrared early warning receiver two,
The infrared ray that active infra-red early warning transmitter two is launched is received by infrared early warning receiver two, the active infra-red early warning hair
Emitter one and active infra-red early warning transmitter two can launch the one-level infrared ray and two level infrared ray being parallel to each other；It is described
Active protection module includes being individually fixed in air damping mechanical arm one on marine gravitometer framework and in relative position
With air damping mechanical arm two, during gravity sensor normal work, at air damping mechanical arm one and air damping mechanical arm two
In contraction state, gravity sensor can freely swing in laterally or longitudinally both direction；When gravity sensor swings cutting two
During level infrared ray, air damping mechanical arm one and air damping mechanical arm two stretch out and gravity sensor are fixed respectively,
So that air damping mechanical arm one, air damping mechanical arm two and gravity sensor keep the state of relative equilibrium.
Further, described infrared early warning receiver one also includes Amber Alerts lamp, the low frequency buzzer of one-level early warning；
The infrared early warning receiver two also includes the red warning lamp and high-frequency buzzer of two level early warning.
Further, gravity sensor side of the described one-level infrared ray with being located at center in marine gravitometer framework
The horizontal range of edge is 10 centimetres, the two level infrared ray and the gravity sensor positioned at center in marine gravitometer framework
The horizontal range at edge is 13 centimetres.
Further, the position that the air damping mechanical arm one and air damping mechanical arm two are connected with gravity sensor
Soft rubber pad one and soft rubber pad two are respectively equipped with, for playing buffer protection function in mechanical arm and sensor contacts.
Further, the automatic protective system works with its marine gravitometer under the control of a single-chip microcomputer.
The present invention installs active infra-red precaution device and air damping mechanical arm, whole system additional on original gravimeter framework
Unite and worked under the control of the single-chip microcomputer of a programming.When ship waves by a small margin, gravity sensor amplitude of fluctuation is smaller, instrument
Can be with normal work.When gravity sensor transverse and longitudinal pivot angle is more than 15 degree, gravity sensor cuts one-level infrared ray, triggers one-level
Alarm, yellow early-warning lamp and low frequency buzzer are connected, remind operator on duty to pay attention to, can be to alarm after operator on duty's inspection is without exception
Eliminated manually.If sea situation is continuously in badness, it is considered as stopping data acquisition, closes gravimeter.Work as gravimeter
When sensor transverse and longitudinal pivot angle is more than 22 degree, two level infrared ray is cut, triggers second-level alarm.Once second-level alarm triggers, automatically
Signal is passed to single-chip microcomputer by protection system, and control relay actively cuts off torsion motor power supply to single-chip microcomputer again, in cutting off
Stronger correction signal caused by portion produces impact failure to gravity sensor, makes its swing state that affranchises, while relay
Device connects air damping mechanical arm circuit power, and air damping mechanical arm slowly stretches out to be fixed to gravity sensor, is formed
Automatic protection.Second-level alarm is mainly made up of red warning lamp and high-frequency buzzer, and alarm can not be eliminated by manual pushbutton, must
It just can must actively be eliminated after gravimeter system closedown is confirmed, should now stop data collection task immediately.
The advantages of the present invention：The present invention utilizes the core of warning module and active protection module to gravimeter
Part gravity sensor forms comprehensive protection.Warning module is provided with two-stage infrared ray early warning, triggers primary alarm, Ke Yiti
Awake staff pays attention to, check it is without exception after alarm can be eliminated manually, when triggering second-level alarm, single-chip microcomputer control after
Electrical equipment actively cuts off torsion motor power supply, and impact is produced to gravity sensor so as to cut off correction signal stronger caused by inside
Damage, make its swing state that affranchises, while relay connects air damping mechanical arm circuit power, air damping mechanical arm
Slowly stretch out and gravity sensor is fixed, form comprehensive automatic protection.The system can effectively tackle gravity survey
Emergency case during amount, accomplish to give warning in advance and protect in time, the defects of reaction not in time when compensate for artificial on duty, prolong
Long instrument service life, greatly reduces economic loss.
Brief description of the drawings
The overlooking the structure diagram of warning module in Fig. 1 present invention.
The overlooking the structure diagram of active protection module in Fig. 2 present invention.
The overall dimensional structure diagram of Fig. 3 present invention.
Wherein, 1- air dampings mechanical arm one, 2- soft rubbers pad one, 3- air dampings mechanical arm two, 4- soft rubbers pad two,
5- gravity sensors, 6- marine gravitometer frameworks, 7- active infra-red early warning transmitter one, 8- infrared early warnings receiver one, 9-
Active infra-red early warning transmitter two, 10- infrared early warnings receiver two, 11- one-level infrared rays, 12- two level infrared rays.
Embodiment
The present invention is explained further and illustrated below by way of embodiment and accompanying drawing.
As Figure 1-3, a kind of automatic protective system of marine gravitometer, the system include warning module and actively protected
Module；The warning module includes the active infra-red early warning transmitter being respectively arranged on 6 four inner faces of marine gravitometer framework
One 7, infrared early warning receiver 1 and active infra-red early warning transmitter 29, infrared early warning receiver 2 10, and the active
Formula infrared early warning transmitter 1 is in parallel relative position, active infra-red early warning transmitter one with infrared early warning receiver 1
The infrared ray of 7 transmittings is received by infrared early warning receiver 1, and the active infra-red early warning transmitter 29 and infrared early warning connect
Receive device 2 10 and be in parallel relative position, the infrared ray that active infra-red early warning transmitter 29 is launched is by infrared early warning receiver
2 10 receive, and the active infra-red early warning transmitter 1 and active infra-red early warning transmitter 29 can be launched mutually flat
Capable one-level infrared ray and two level infrared ray, the one-level infrared ray 11 and the weight positioned at center in marine gravitometer framework 6
The horizontal range at the edge of force snesor 5 is 10 centimetres, and two level infrared ray 12 is with being located at center in marine gravitometer framework 6
The horizontal range at the edge of gravity sensor 5 is 13 centimetres；The active protection module includes being individually fixed in marine gravitometer frame
Air damping mechanical arm 1 and air damping mechanical arm 23 on frame 6 and in relative position, gravity sensor 5 are normal
During work, air damping mechanical arm 1 and air damping mechanical arm 23 are in contraction state, and gravity sensor 5 is horizontal and vertical
It can freely swing on to both direction, when triggering second-level alarm, air damping mechanical arm 1 and air damping mechanical arm two
3 stretch out and gravity sensor 5 are fixed respectively so that air damping mechanical arm 1, air damping mechanical arm 23 and again
Force snesor 5 keeps the state of relative equilibrium.
Further, it is pre- also to include one-level respectively for described infrared early warning receiver 1 and infrared early warning receiver 2 10
The red warning lamp and high-frequency buzzer of alert Amber Alerts lamp, low frequency buzzer and two level early warning.
Further, the air damping mechanical arm 1 and air damping mechanical arm 23 are connected with gravity sensor 5
Position is respectively equipped with soft rubber pad 1 and soft rubber pad 24.
Further, the automatic protective system works with its marine gravitometer under the control of a single-chip microcomputer.
System is in opening during marine gravitometer normal work, active infra-red early warning transmitter 1 and active
Gravity sensor 5 is horizontal and vertical waves for the monitoring of infrared early warning transmitter 29.When the lateral oscillation angle of gravity sensor 5
During more than 15 degree, gravity sensor 5 can cut the one-level infrared ray 11 of active infra-red early warning transmitter 1, cause infrared pre-
Alert receiver 1 receives the infrared ray that infrared early warning transmitter 1 is sent and interrupts and produce primary alarm, connects Amber Alerts
Lamp and low frequency buzzer circuit power, send primary alarm；When the lateral oscillation angle of gravity sensor 5 is more than 22 degree, weight
Force snesor 5 can cut the two level infrared ray 12 of active infra-red early warning transmitter 1, cause infrared early warning receiver 1 to connect
Receive the infrared ray that infrared early warning transmitter 1 is sent to interrupt and produce second-level alarm, connect red warning lamp and high frequency buzzing
Device circuit power, sends second-level alarm, is also turned on system electromagnetic relay circuit power, cuts off power motor power supply, makes place
In the state that freely swings, the power supply of air damping mechanical arm 1 and air damping mechanical arm 23 is connected in addition, it is slowly stretched
Go out and gravity sensor 5 is fixed, due to avoiding blowing air damping mechanical arm 1 and air damping mechanical arm 23 and gravity
Sensor 5 collides, and is installed additional in air damping mechanical arm 1 and air damping mechanical arm 23 with the contact point of gravity sensor 5
Soft rubber pad 1 and soft rubber pad 24, play a part of buffer protection.
In addition, gravity sensor 5 can only freely swing in horizontal and vertical both direction, system is vertical to gravity sensor 5
To protection process it is identical with transverse process.
The technical concepts and features of above-mentioned embodiment only to illustrate the invention, can not limit the protection of the present invention with this
Scope.All equivalent transformations done according to spirit of the invention or modification, it should all cover within the scope of the present invention.
Claims (5)
1. a kind of automatic protective system of marine gravitometer, it is characterised in that the system includes warning module and actively protects mould
Block；The warning module includes being respectively arranged on marine gravitometer framework（6）Active infra-red early warning transmitter on four inner faces
One（7）, infrared early warning receiver one（8）With active infra-red early warning transmitter two（9）, infrared early warning receiver two（10）, and
The active infra-red early warning transmitter one（7）With infrared early warning receiver one（8）In parallel relative position, active infra-red
Early warning transmitter one（7）The infrared ray of transmitting is by infrared early warning receiver one（8）Receive, the active infra-red early warning transmitter
Two（9）With infrared early warning receiver two（10）In parallel relative position, active infra-red early warning transmitter two（9）That launches is red
Outside line is by infrared early warning receiver two（10）Receive, the active infra-red early warning transmitter one（7）With active infra-red early warning
Transmitter two（9）The one-level infrared ray being parallel to each other can be launched（11）With two level infrared ray（12）；It is described actively to protect mould
Block includes being individually fixed in marine gravitometer framework（6）On and in relative position air damping mechanical arm one（1）And sky
Vapour lock Buddhist nun mechanical arm two（3）, gravity sensor（5）During normal work, air damping mechanical arm one（1）With air damping mechanical arm
Two（3）In contraction state, gravity sensor（5）It can freely swing in laterally or longitudinally both direction；Work as gravity sensor
（5）Swing cutting two level infrared ray（12）When, air damping mechanical arm one（1）With air damping mechanical arm two（3）Stretch out respectively
And to gravity sensor（5）Fixed so that air damping mechanical arm one（1）, air damping mechanical arm two（3）Passed with gravity
Sensor（5）Keep the state of relative equilibrium.
2. the automatic protective system of marine gravitometer as claimed in claim 1, it is characterised in that described infrared early warning receives
Device one（8）Amber Alerts lamp, low frequency buzzer including one-level early warning；The infrared early warning receiver two（10）It is pre- including two level
Alert red warning lamp and high-frequency buzzer.
3. the automatic protective system of marine gravitometer as claimed in claim 1, it is characterised in that described one-level infrared ray
（11）With positioned at marine gravitometer framework（6）The gravity sensor of interior center（5）The horizontal range at edge is 10 centimetres, institute
State two level infrared ray（12）With positioned at marine gravitometer framework（6）The gravity sensor of interior center（5）Edge it is horizontal away from
From for 13 centimetres.
4. the automatic protective system of marine gravitometer as claimed in claim 1, it is characterised in that the air damping mechanical arm
One（1）With air damping mechanical arm two（3）With gravity sensor（5）The position of contact connection is respectively equipped with soft rubber pad one（2）
With soft rubber pad two（4）.
5. the automatic protective system of marine gravitometer as claimed in claim 1, it is characterised in that the automatic protective system and its
The marine gravitometer of protection works under the control of a single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610342111.XA CN105842744B (en) | 2016-05-23 | 2016-05-23 | A kind of automatic protective system of marine gravitometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610342111.XA CN105842744B (en) | 2016-05-23 | 2016-05-23 | A kind of automatic protective system of marine gravitometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105842744A CN105842744A (en) | 2016-08-10 |
| CN105842744B true CN105842744B (en) | 2017-12-22 |
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ID=56593011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610342111.XA Expired - Fee Related CN105842744B (en) | 2016-05-23 | 2016-05-23 | A kind of automatic protective system of marine gravitometer |
Country Status (1)
| Country | Link |
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| CN (1) | CN105842744B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158595A (en) * | 2019-05-31 | 2019-08-23 | 辽宁沈通电力桩基础研发有限公司 | Triangle spiral positioning instrument |
| CN112346140B (en) * | 2020-10-15 | 2022-10-14 | 北京航天控制仪器研究所 | Host stabilizing device of strapdown marine gravimeter |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA200710806B (en) * | 2006-11-23 | 2009-07-29 | Tech Resources Pty Ltd | Gravity gradiometer |
| CN204028379U (en) * | 2014-08-25 | 2014-12-17 | 常州容大结构减振股份有限公司 | A kind of circular gravity meter vibration damping is anti-shakes device |
| CN204129241U (en) * | 2014-09-29 | 2015-01-28 | 中国科学院测量与地球物理研究所 | A kind of active damping locating device for dynamic gravity instrument |
| CN105527655A (en) * | 2016-03-14 | 2016-04-27 | 中国科学院测量与地球物理研究所 | Marine gravimeter stabilizing platform leveling device and method |
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2016
- 2016-05-23 CN CN201610342111.XA patent/CN105842744B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN105842744A (en) | 2016-08-10 |
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